Valve block



FIG. 1 shows a perspective view of a component of a valve.

FIG. 2 shows another perspective view of the component of a valve.

FIG. 3 shows a front view of the component of a valve

FIG. 4 shows a rear view of the component of a valve

FIG. 5 shows a top view of the component of a valve

FIG. 6 shows a bottom view of the component of a valve

FIG. 7 shows a right side view of the component of a valve; and,

FIG. 8 shows a left side view of the component of a valve.

The broken lines in the drawings are included for the purpose of illustrating portions of the valve block and form no part of the claimed design. 

CLAIM The ornamental design for a valve block, as shown and described. 